:root {
    --primary-color: #10b981; /* Emerald Green */
    --secondary-color: #0ea5e9; /* Sky Blue */
    --main-bg: #f8fafc; /* Light Gray-Blue background */
    --card-bg: rgba(255, 255, 255, 0.9);
    --text-main: #334155;
    --text-muted: #64748b;
    --text-heading: #0f172a;
    --glass-border: rgba(0, 0, 0, 0.08);
}

body {
    font-family: 'Inter', sans-serif;
    font-weight: 400;
    line-height: 1.6;
    background-color: var(--main-bg);
    color: var(--text-main);
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    color: var(--text-heading);
    font-weight: 600;
}

.fw-medium { font-weight: 500; }
.fw-semibold { font-weight: 600; }

/* Typography */
.text-gradient {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Glassmorphism Utilities */
.glass-panel {
    background: var(--card-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 1rem;
    transition: all 0.3s ease;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
}

.glass-navbar {
    background: rgba(248, 250, 252, 0.95);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--glass-border);
}

/* Navbar */
.navbar-brand {
    font-weight: 600;
    font-size: 1.4rem;
    color: var(--text-heading) !important;
    letter-spacing: -0.5px;
}
.navbar-brand span {
    color: var(--primary-color);
}
.nav-link {
    color: var(--text-muted) !important;
    font-weight: 500;
    font-size: 0.95rem;
    transition: color 0.3s;
}
.nav-link:hover {
    color: var(--primary-color) !important;
}

/* Custom Buttons */
.btn-gradient {
    background: linear-gradient(135deg, var(--primary-color) 0%, #059669 100%);
    color: white;
    border: none;
    border-radius: 50px;
    padding: 0.6rem 1.8rem;
    font-weight: 500;
    letter-spacing: 0.2px;
    transition: transform 0.2s, box-shadow 0.2s;
}
.btn-gradient:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(16, 185, 129, 0.25);
    color: white;
}

.btn-outline-glass {
    border: 1px solid var(--glass-border);
    color: var(--text-heading);
    background: white;
    border-radius: 50px;
    padding: 0.6rem 1.8rem;
    font-weight: 500;
    transition: all 0.3s;
}
.btn-outline-glass:hover {
    background: var(--main-bg);
    border-color: var(--primary-color);
    color: var(--primary-color);
}

/* Hero Section */
.hero-section {
    padding: 7rem 0 4rem 0;
    position: relative;
    background: linear-gradient(180deg, #ffffff 0%, var(--main-bg) 100%);
}
.hero-glow {
    position: absolute;
    width: 400px;
    height: 400px;
    background: var(--secondary-color);
    filter: blur(120px);
    opacity: 0.08;
    top: 5%;
    right: 5%;
    z-index: -1;
}

/* Info Alert Box */
.info-box {
    background: #ffffff;
    border-left: 4px solid var(--primary-color);
    padding: 1.5rem;
    border-radius: 0.5rem;
    box-shadow: 0 2px 5px rgba(0,0,0,0.02);
}

/* Process Timeline (Horizontal for Desktop) */
.process-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
}
.process-card {
    flex: 1 1 calc(33.333% - 1rem);
    min-width: 250px;
    background: #ffffff;
    border: 1px solid var(--glass-border);
    border-radius: 0.75rem;
    padding: 1.5rem;
    position: relative;
    transition: transform 0.3s;
}
.process-card:hover {
    transform: translateY(-4px);
    border-color: rgba(16, 185, 129, 0.4);
    box-shadow: 0 10px 20px rgba(0,0,0,0.03);
}
.step-number {
    position: absolute;
    top: -12px;
    left: 20px;
    background: var(--primary-color);
    color: white;
    font-weight: 600;
    font-size: 0.85rem;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    box-shadow: 0 2px 4px rgba(16,185,129,0.3);
}

/* Terminology Accordion */
.accordion-item {
    background-color: #ffffff !important;
    border: 1px solid var(--glass-border) !important;
    margin-bottom: 0.75rem;
    border-radius: 0.5rem !important;
    overflow: hidden;
}
.accordion-button {
    background-color: transparent !important;
    color: var(--text-heading) !important;
    font-weight: 500;
    box-shadow: none !important;
}
.accordion-button:not(.collapsed) {
    color: var(--primary-color) !important;
    background-color: rgba(16, 185, 129, 0.02) !important;
}
.accordion-body {
    background-color: transparent;
    color: var(--text-main);
    border-top: 1px solid var(--glass-border);
    font-size: 0.95rem;
}

/* Modal */
.modal-content {
    background-color: #ffffff;
    border: none;
    border-radius: 1rem;
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
}
.form-control {
    background-color: var(--main-bg);
    border: 1px solid var(--glass-border);
    color: var(--text-heading);
    font-weight: 400;
}
.form-control::placeholder {
    color: #94a3b8;
}
.form-control:focus {
    background-color: #ffffff;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(16, 185, 129, 0.15);
}